it was a long ride home in traffic for like 2 hours... in the tunnel it was slow, crawling, like 5 MPH. car has 145k on it, I replace the tstat two years ago b/c it was stuck open. when i pulled out of the tunnel, I parked it and checked to see if the main fan directly in front of the radiator was blowing - and it was. hmmm.

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2003 X5 3.0i Silver (build 07/03)
2006 X5 3.0i Blue
1977 Ferrari 308 GTB
1994 Ferrari 348TS Speciale #14/15
1989 Ferrari Testarossa